code: def auread(
      path, channel_first=False, raw_format_param=None, **kwargs
  ):
      """
      Read audio from ''path''.
      Currently only support .wav format audio, .raw format audio could be read only when additional params
      are provided.
      Default output shape is (samples, channels).
  
      Args:
          path (String, File Object, BytesIO): Input audio source.
          channel_first (bool): If True, the shape of the output array is (channels, samples)
                                for audio. Default is False.
          raw_format_param(object): "raw" files require 3 additional keyword arguments ->
                                    sample_width, frame_rate, and channels
  
                                    sample_width | example: 2 - Use 1 for 8-bit audio 2 for 16-bit and
                                          4 for 32-bit. It's the number of bytes per sample.
                                    channels | example: 1 - 1 for mono, 2 for stereo.
                                    frame_rate | example: 44100 - Also known as sample rate, common values
                                          are 44100 and 48000
  
                                    If audio is raw format, user should provide this object, example:
                                    { 'sample_width': 2, 'channels': 2, 'frame_rate': 44100 }
  
  
      Returns:
           numpy.ndarray
      """
  
      from nnabla.utils.data_source_loader import ResourceFileReader
  
      source = ResourceFileReader(path)
      return backend_manager.module.auread(
          source,
          channel_first=channel_first,
          raw_format_param=None,
          **kwargs,
      )
  
file_path: nnabla/python/src/nnabla/utils/audio_utils/__init__.py
imports: from __future__ import absolute_import
  import numpy
  from .backend_manager import backend_manager
  from .common import rescale_intensity, _auto_scale_before
label_desc: Use image node_id 5 for calling a global function with example usage: auread(path, channel_first, raw_format_param) and returns: backend_manager